National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Caldwell, Essex County Airport (KCDW)

Lat: 40.88°NLon: 74.28°WElev: 171ft.

Light Snow

26°F

-3°C

Humidity 78%
Wind Speed Vrbl 3 mph
Barometer 30.12 in (1020.8 mb)
Dewpoint 20°F (-7°C)
Visibility 2.00 mi
Last update 27 Dec 10:53 am EST
Extended Forecast for

Mahwah NJ

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 30. Wind chill values between 20 and 25. North wind 3 to 6 mph.

    High: 30 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 14. Calm wind.

    Low: 14 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow after 1pm. Increasing clouds, with a high near 35. Wind chill values between 15 and 25. Calm wind. Chance of precipitation is 20%.

    High: 35 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Freezing rain before 1am, then rain. Temperature rising to around 36 by 5am. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.

    Low: 32 °F⇑

    Freezing Rain
    then
    Rain/Freezing
    Rain

  • Monday

    Monday: Rain, mainly before 1pm. High near 48. South wind 6 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 48 °F

    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 30. Wind chill values between 20 and 25. North wind 3 to 6 mph.
Tonight
Partly cloudy, with a low around 14. Calm wind.
Sunday
A slight chance of rain and snow after 1pm. Increasing clouds, with a high near 35. Wind chill values between 15 and 25. Calm wind. Chance of precipitation is 20%.
Sunday Night
Freezing rain before 1am, then rain. Temperature rising to around 36 by 5am. Calm wind becoming south around 6 mph after midnight. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible.
Monday
Rain, mainly before 1pm. High near 48. South wind 6 to 10 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Mostly cloudy, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 22.
Wednesday
Partly sunny, with a high near 32.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Partly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Sunny, with a high near 25.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mahwah NJ
 41.09°N 74.2°W (Elev. 751 ft)
Last Update:
5:20 am EST Dec 27, 2025
Forecast Valid:
11am EST Dec 27, 2025-6pm EST Jan 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation